Apple's WebKit browser requirement may break Japanese law
Briefly

Apple's requirements for browsing apps to utilize the WebKit framework face legal challenges globally. Japan's Mobile Software Competition Act prohibits such restrictions, stating that similar mandates cannot be enforced. Apple’s guideline limits competition among browsers on iOS by confining them all to WebKit, hindering the capabilities of Progressive Web Apps. This restriction impacts the performance and functionality of browsers, preventing them from fully competing with native iOS apps, which generate substantial revenue for Apple through its App Store ecosystem.
Apple's requirement, outlined in section 2.5.6 of its App Store Review Guidelines, states, 'Apps that browse the web must use the appropriate WebKit framework and WebKit JavaScript.'
The restrictions prevent differentiation between browsers on iOS devices and limit Progressive Web Apps' access to web APIs not supported in WebKit.
Read at Theregister
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